line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
1
|
|
|
|
|
|
|
package PDF::API2::UniWrap; |
2
|
|
|
|
|
|
|
|
3
|
1
|
|
|
1
|
|
1766
|
use strict; |
|
1
|
|
|
|
|
3
|
|
|
1
|
|
|
|
|
39
|
|
4
|
1
|
|
|
1
|
|
5
|
no warnings qw[ deprecated recursion uninitialized ]; |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
108
|
|
5
|
|
|
|
|
|
|
|
6
|
|
|
|
|
|
|
our $VERSION = '2.044'; # VERSION |
7
|
|
|
|
|
|
|
|
8
|
|
|
|
|
|
|
# Implements UAX#14: Line Breaking Properties |
9
|
|
|
|
|
|
|
# David Nesting |
10
|
|
|
|
|
|
|
|
11
|
0
|
|
|
|
|
0
|
BEGIN { |
12
|
|
|
|
|
|
|
|
13
|
1
|
|
|
1
|
|
8
|
use Encode qw(:all); |
|
1
|
|
|
|
|
3
|
|
|
1
|
|
|
|
|
256
|
|
14
|
|
|
|
|
|
|
|
15
|
1
|
|
|
1
|
|
32
|
use 5.008; |
|
1
|
|
|
|
|
4
|
|
16
|
1
|
|
|
1
|
|
9
|
use base 'Exporter'; |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
125
|
|
17
|
|
|
|
|
|
|
|
18
|
1
|
|
|
1
|
|
2555
|
use Unicode::UCD; |
|
1
|
|
|
|
|
56106
|
|
|
1
|
|
|
|
|
67
|
|
19
|
1
|
|
|
1
|
|
10
|
use Carp; |
|
1
|
|
|
0
|
|
2
|
|
|
1
|
|
|
|
|
111
|
|
20
|
|
|
|
|
|
|
|
21
|
|
|
|
|
|
|
} |
22
|
|
|
|
|
|
|
|
23
|
|
|
|
|
|
|
our $DEBUG = 0; |
24
|
|
|
|
|
|
|
our $columns = 75; |
25
|
|
|
|
|
|
|
|
26
|
|
|
|
|
|
|
my %classified; |
27
|
|
|
|
|
|
|
my $procedural_self; |
28
|
|
|
|
|
|
|
my $txt; |
29
|
|
|
|
|
|
|
|
30
|
1
|
|
|
1
|
|
8
|
use constant PROHIBITED => 0; |
|
1
|
|
|
|
|
3
|
|
|
1
|
|
|
|
|
84
|
|
31
|
1
|
|
|
1
|
|
6
|
use constant INDIRECT => 1; |
|
1
|
|
|
|
|
4
|
|
|
1
|
|
|
|
|
46
|
|
32
|
1
|
|
|
1
|
|
7
|
use constant DIRECT => 2; |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
42
|
|
33
|
1
|
|
|
1
|
|
10
|
use constant REQUIRED => 3; |
|
1
|
|
|
|
|
3
|
|
|
1
|
|
|
|
|
1080
|
|
34
|
|
|
|
|
|
|
|
35
|
|
|
|
|
|
|
my @CLASSES = qw{ OP CL QU GL NS EX SY IS PR PO NU AL ID IN HY BA BB B2 ZW CM }; |
36
|
|
|
|
|
|
|
my %BREAK_TABLE = ( |
37
|
|
|
|
|
|
|
OP => [qw[ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 ]], |
38
|
|
|
|
|
|
|
CL => [qw[ 2 0 1 1 0 0 0 0 2 1 2 2 2 2 1 1 2 2 0 1 ]], |
39
|
|
|
|
|
|
|
QU => [qw[ 0 0 1 1 1 0 0 0 1 1 1 1 1 1 1 1 1 1 0 1 ]], |
40
|
|
|
|
|
|
|
GL => [qw[ 1 0 1 1 1 0 0 0 1 1 1 1 1 1 1 1 1 1 0 1 ]], |
41
|
|
|
|
|
|
|
NS => [qw[ 2 0 1 1 1 0 0 0 2 2 2 2 2 2 1 1 2 2 0 1 ]], |
42
|
|
|
|
|
|
|
EX => [qw[ 2 0 1 1 1 0 0 0 2 2 2 2 2 2 1 1 2 2 0 1 ]], |
43
|
|
|
|
|
|
|
SY => [qw[ 2 0 1 1 1 0 0 0 2 2 1 2 2 2 1 1 2 2 0 1 ]], |
44
|
|
|
|
|
|
|
IS => [qw[ 2 0 1 1 1 0 0 0 2 2 1 2 2 2 1 1 2 2 0 1 ]], |
45
|
|
|
|
|
|
|
PR => [qw[ 1 0 1 1 1 0 0 0 2 2 1 1 1 2 1 1 2 2 0 1 ]], |
46
|
|
|
|
|
|
|
PO => [qw[ 2 0 1 1 1 0 0 0 2 2 2 2 2 2 1 1 2 2 0 1 ]], |
47
|
|
|
|
|
|
|
NU => [qw[ 2 0 1 1 1 0 0 0 2 1 1 1 2 1 1 1 2 2 0 1 ]], |
48
|
|
|
|
|
|
|
AL => [qw[ 2 0 1 1 1 0 0 0 2 2 1 1 2 1 1 1 2 2 0 1 ]], |
49
|
|
|
|
|
|
|
ID => [qw[ 2 0 1 1 1 0 0 0 2 1 2 2 2 1 1 1 2 2 0 1 ]], |
50
|
|
|
|
|
|
|
IN => [qw[ 2 0 1 1 1 0 0 0 2 2 2 2 2 1 1 1 2 2 0 1 ]], |
51
|
|
|
|
|
|
|
HY => [qw[ 2 0 1 1 1 0 0 0 2 2 0 2 2 2 1 1 2 2 0 1 ]], |
52
|
|
|
|
|
|
|
BA => [qw[ 2 0 1 1 1 0 0 0 2 2 2 2 2 2 1 1 2 2 0 1 ]], |
53
|
|
|
|
|
|
|
BB => [qw[ 1 0 1 1 1 0 0 0 1 1 1 1 1 1 1 1 1 1 0 1 ]], |
54
|
|
|
|
|
|
|
B2 => [qw[ 2 0 1 1 1 0 0 0 2 2 2 2 2 2 1 1 2 0 0 1 ]], |
55
|
|
|
|
|
|
|
ZW => [qw[ 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 0 1 ]], |
56
|
|
|
|
|
|
|
CM => [qw[ 2 0 1 1 1 0 0 0 2 2 1 1 2 1 1 1 2 2 0 1 ]], |
57
|
|
|
|
|
|
|
); |
58
|
|
|
|
|
|
|
|
59
|
|
|
|
|
|
|
# Convert the table above into a hash that we can use for speedier lookups |
60
|
|
|
|
|
|
|
|
61
|
|
|
|
|
|
|
foreach (keys %BREAK_TABLE) { |
62
|
|
|
|
|
|
|
my @t = @CLASSES; |
63
|
|
|
|
|
|
|
$BREAK_TABLE{$_} = { map { shift(@t) => $_ } @{$BREAK_TABLE{$_}} }; |
64
|
|
|
|
|
|
|
} |
65
|
|
|
|
|
|
|
|
66
|
|
|
|
|
|
|
sub new { |
67
|
0
|
|
|
0
|
0
|
|
my $pkg = shift; |
68
|
0
|
|
|
|
|
|
my $self = { @_ }; |
69
|
0
|
|
0
|
|
|
|
$self->{line_length} ||= $columns; |
70
|
0
|
|
0
|
|
|
|
$self->{break_table} ||= \%BREAK_TABLE; |
71
|
|
|
|
|
|
|
|
72
|
0
|
|
0
|
|
|
|
$self->{widthfunc} ||= 1; |
73
|
|
|
|
|
|
|
|
74
|
0
|
|
0
|
|
|
|
bless($self, ref($pkg) || $pkg); |
75
|
|
|
|
|
|
|
} |
76
|
|
|
|
|
|
|
|
77
|
|
|
|
|
|
|
|
78
|
|
|
|
|
|
|
# This attempts to identify the on-screen length of a given character. |
79
|
|
|
|
|
|
|
# For normal displays, you can generally assume the character has a |
80
|
|
|
|
|
|
|
# length of 1, but some terminals may expand the width of certain |
81
|
|
|
|
|
|
|
# characters, so that extra space needs to be taken into consideration |
82
|
|
|
|
|
|
|
# here so the wrapping occurs at the proper place. |
83
|
|
|
|
|
|
|
|
84
|
|
|
|
|
|
|
sub char_length { |
85
|
0
|
0
|
|
0
|
0
|
|
shift if ref($_[0]); |
86
|
0
|
|
|
|
|
|
my ($c) = @_; |
87
|
|
|
|
|
|
|
|
88
|
0
|
0
|
0
|
|
|
|
if ($c eq 'CM' || $c eq 'ZW') { |
89
|
0
|
|
|
|
|
|
return 0; |
90
|
|
|
|
|
|
|
} |
91
|
|
|
|
|
|
|
|
92
|
0
|
|
|
|
|
|
return 1; |
93
|
|
|
|
|
|
|
} |
94
|
|
|
|
|
|
|
|
95
|
|
|
|
|
|
|
sub lb_class { |
96
|
0
|
0
|
|
0
|
0
|
|
my $self = ref($_[0]) ? shift() : self(); |
97
|
0
|
|
|
|
|
|
my $code = Unicode::UCD::_getcode(ord $_[0]); |
98
|
0
|
|
|
|
|
|
my $hex; |
99
|
|
|
|
|
|
|
|
100
|
0
|
0
|
|
|
|
|
if (defined $code) { |
101
|
0
|
|
|
|
|
|
$hex = sprintf "%04X", $code; |
102
|
|
|
|
|
|
|
} else { |
103
|
0
|
|
|
|
|
|
carp("unexpected arg \"$_[1]\" to Text::Wrap::lb_class()"); |
104
|
0
|
|
|
|
|
|
return; |
105
|
|
|
|
|
|
|
} |
106
|
|
|
|
|
|
|
|
107
|
0
|
0
|
|
|
|
|
return $classified{$hex} if $classified{$hex}; |
108
|
|
|
|
|
|
|
|
109
|
0
|
0
|
|
|
|
|
$txt = do "unicore/Lbrk.pl" unless $txt; |
110
|
|
|
|
|
|
|
|
111
|
0
|
0
|
|
|
|
|
if ($txt =~ m/^$hex\t\t(.+)/m) { |
112
|
0
|
0
|
|
|
|
|
print STDERR "< found direct match for $hex = $1 >\n" if $DEBUG > 1; |
113
|
0
|
|
|
|
|
|
return $classified{$hex} = $1; |
114
|
|
|
|
|
|
|
} else { |
115
|
0
|
0
|
|
|
|
|
print STDERR "< no direct match $hex >\n" if $DEBUG > 1; |
116
|
0
|
|
|
|
|
|
pos($txt) = 0; |
117
|
|
|
|
|
|
|
|
118
|
0
|
|
|
|
|
|
while ($txt =~ m/^([0-9A-F]+)\t([0-9A-F]+)\t(.+)/mg) { |
119
|
0
|
0
|
|
|
|
|
print STDERR "< examining $1 -> $2 >\n" if $DEBUG > 1; |
120
|
0
|
0
|
0
|
|
|
|
if (hex($1) <= $code && hex($2) >= $code) { |
121
|
0
|
0
|
|
|
|
|
print STDERR "< found range match for $hex = $3 between $1 and $2 >\n" if $DEBUG > 1; |
122
|
0
|
|
|
|
|
|
return $classified{$hex} = $3; |
123
|
|
|
|
|
|
|
} |
124
|
|
|
|
|
|
|
} |
125
|
0
|
|
|
|
|
|
return 'XX'; |
126
|
|
|
|
|
|
|
} |
127
|
|
|
|
|
|
|
} |
128
|
|
|
|
|
|
|
|
129
|
|
|
|
|
|
|
# Returns a list of breaking properties for the given text |
130
|
|
|
|
|
|
|
sub text_properties { |
131
|
0
|
0
|
|
0
|
0
|
|
my $self = ref($_[0]) ? shift() : self(); |
132
|
0
|
|
|
|
|
|
my ($text) = @_; |
133
|
|
|
|
|
|
|
|
134
|
0
|
|
|
|
|
|
my @characters = split(//, $text); |
135
|
0
|
|
|
|
|
|
my @classifications = map { $self->lb_class($_) } @characters; |
|
0
|
|
|
|
|
|
|
136
|
|
|
|
|
|
|
|
137
|
0
|
|
|
|
|
|
class_properties(@classifications); |
138
|
|
|
|
|
|
|
} |
139
|
|
|
|
|
|
|
|
140
|
|
|
|
|
|
|
# Returns a list of breaking properties for the provided breaking classes |
141
|
|
|
|
|
|
|
sub class_properties { |
142
|
0
|
0
|
|
0
|
0
|
|
my $self = ref($_[0]) ? shift() : self(); |
143
|
1
|
|
|
1
|
|
12
|
no warnings 'uninitialized'; |
|
1
|
|
|
|
|
5
|
|
|
1
|
|
|
|
|
539
|
|
144
|
|
|
|
|
|
|
|
145
|
0
|
|
|
|
|
|
my @breaks; |
146
|
0
|
|
|
|
|
|
my $last_class = $_[0]; |
147
|
|
|
|
|
|
|
|
148
|
0
|
0
|
|
|
|
|
$last_class = 'ID' if $last_class eq 'CM'; # broken combining mark |
149
|
|
|
|
|
|
|
|
150
|
0
|
0
|
|
|
|
|
print STDERR "find_breaks: first class=$last_class\n" if $DEBUG; |
151
|
|
|
|
|
|
|
|
152
|
0
|
|
|
|
|
|
for (my $i = 1; $i <= $#_; $i++) { |
153
|
0
|
0
|
|
|
|
|
print STDERR "find_breaks: i=$i class=$_[$i] prev=$last_class breaks[i-1]=$breaks[$i-1]\n" if $DEBUG; |
154
|
0
|
|
0
|
|
|
|
$breaks[$i-1] ||= 0; |
155
|
|
|
|
|
|
|
|
156
|
0
|
0
|
|
|
|
|
$_[$i] = 'ID' if $_[$i] eq 'XX'; # we want as few of these as possible! |
157
|
|
|
|
|
|
|
|
158
|
0
|
0
|
|
|
|
|
if ($_[$i] eq 'SA') { |
|
|
0
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
159
|
|
|
|
|
|
|
# TODO: Need a classifiation system for complex characters |
160
|
|
|
|
|
|
|
} |
161
|
|
|
|
|
|
|
|
162
|
|
|
|
|
|
|
elsif ($_[$i] eq 'CR') { |
163
|
0
|
|
|
|
|
|
$breaks[$i] = REQUIRED; |
164
|
|
|
|
|
|
|
} |
165
|
|
|
|
|
|
|
|
166
|
|
|
|
|
|
|
elsif ($_[$i] eq 'LF') { |
167
|
0
|
0
|
|
|
|
|
if ($_[$i-1] eq 'CR') { |
168
|
0
|
|
|
|
|
|
$breaks[$i-1] = PROHIBITED; |
169
|
|
|
|
|
|
|
} |
170
|
0
|
|
|
|
|
|
$breaks[$i] = REQUIRED; |
171
|
|
|
|
|
|
|
} |
172
|
|
|
|
|
|
|
|
173
|
|
|
|
|
|
|
elsif ($_[$i] eq 'BK') { |
174
|
0
|
|
|
|
|
|
$breaks[$i] = REQUIRED; |
175
|
|
|
|
|
|
|
} |
176
|
|
|
|
|
|
|
|
177
|
|
|
|
|
|
|
elsif ($_[$i] eq 'SP') { |
178
|
0
|
|
|
|
|
|
$breaks[$i-1] = PROHIBITED; |
179
|
0
|
|
|
|
|
|
next; |
180
|
|
|
|
|
|
|
} |
181
|
|
|
|
|
|
|
|
182
|
|
|
|
|
|
|
elsif ($_[$i] eq 'CM') { |
183
|
0
|
0
|
|
|
|
|
if ($_[$i-1] eq 'SP') { |
184
|
0
|
|
|
|
|
|
$last_class = 'ID'; |
185
|
0
|
0
|
|
|
|
|
if ($i > 1) { |
186
|
|
|
|
|
|
|
$breaks[$i-2] = $self->{break_table}->{$_[$i-2]}->{ID} == |
187
|
0
|
0
|
|
|
|
|
DIRECT ? DIRECT : PROHIBITED; |
188
|
|
|
|
|
|
|
} |
189
|
|
|
|
|
|
|
} |
190
|
|
|
|
|
|
|
} |
191
|
|
|
|
|
|
|
|
192
|
|
|
|
|
|
|
elsif ($last_class ne 'SP') { |
193
|
0
|
0
|
|
|
|
|
if ($breaks[$i-1] != REQUIRED) { |
194
|
0
|
|
|
|
|
|
my $this_break = $self->{break_table}->{$last_class}->{$_[$i]}; |
195
|
|
|
|
|
|
|
|
196
|
0
|
0
|
|
|
|
|
if ($this_break == INDIRECT) { |
197
|
0
|
0
|
|
|
|
|
$breaks[$i-1] = $_[$i-1] eq 'SP' ? INDIRECT : PROHIBITED; |
198
|
|
|
|
|
|
|
} else { |
199
|
|
|
|
|
|
|
# die "internal error: no table mapping between '$last_class' and '$_[$i]'\n" |
200
|
|
|
|
|
|
|
# unless defined $this_break; |
201
|
0
|
0
|
|
|
|
|
if(defined $this_break) |
202
|
|
|
|
|
|
|
{ |
203
|
0
|
|
|
|
|
|
$breaks[$i-1] = $this_break; |
204
|
|
|
|
|
|
|
} |
205
|
|
|
|
|
|
|
else |
206
|
|
|
|
|
|
|
{ |
207
|
0
|
|
|
|
|
|
$breaks[$i-1] = DIRECT; |
208
|
|
|
|
|
|
|
} |
209
|
|
|
|
|
|
|
} |
210
|
|
|
|
|
|
|
} |
211
|
|
|
|
|
|
|
} |
212
|
|
|
|
|
|
|
|
213
|
0
|
|
|
|
|
|
$last_class = $_[$i]; |
214
|
|
|
|
|
|
|
} |
215
|
|
|
|
|
|
|
|
216
|
|
|
|
|
|
|
# $breaks[$#breaks] = DIRECT; |
217
|
0
|
|
|
|
|
|
push(@breaks, REQUIRED); |
218
|
|
|
|
|
|
|
|
219
|
0
|
0
|
|
|
|
|
print STDERR "find_breaks: returning " . join(":", @breaks) . "\n" if $DEBUG; |
220
|
0
|
|
|
|
|
|
return @breaks; |
221
|
|
|
|
|
|
|
} |
222
|
|
|
|
|
|
|
|
223
|
|
|
|
|
|
|
# Returns a list of break points in the provided text, based on |
224
|
|
|
|
|
|
|
# the line length |
225
|
|
|
|
|
|
|
sub find_breaks { |
226
|
0
|
0
|
|
0
|
0
|
|
my $self = ref($_[0]) ? shift() : self(); |
227
|
0
|
|
|
|
|
|
my $text = shift; |
228
|
|
|
|
|
|
|
|
229
|
1
|
|
|
1
|
|
15
|
no warnings 'uninitialized'; # since we do a lot of subscript +/- 1 checks |
|
1
|
|
|
|
|
3
|
|
|
1
|
|
|
|
|
691
|
|
230
|
|
|
|
|
|
|
|
231
|
0
|
|
|
|
|
|
my @characters = split //, $text; |
232
|
|
|
|
|
|
|
|
233
|
0
|
|
|
|
|
|
my @classifications = map { $self->lb_class($_) } @characters; |
|
0
|
|
|
|
|
|
|
234
|
0
|
|
|
|
|
|
my @lengths = map { $self->char_length($_) } @characters; |
|
0
|
|
|
|
|
|
|
235
|
|
|
|
|
|
|
|
236
|
0
|
|
|
|
|
|
my @breaks = $self->class_properties(@classifications); |
237
|
0
|
|
|
|
|
|
my @breakpoints; |
238
|
|
|
|
|
|
|
|
239
|
0
|
|
|
|
|
|
my $last_start = 0; |
240
|
0
|
|
|
|
|
|
my $last_break; |
241
|
|
|
|
|
|
|
my $last_length; |
242
|
0
|
|
|
|
|
|
my $pos = 0; |
243
|
|
|
|
|
|
|
|
244
|
0
|
|
|
|
|
|
for (my $i = 0; $i <= $#lengths; $i++) { |
245
|
|
|
|
|
|
|
|
246
|
0
|
0
|
|
|
|
|
print STDERR "[i=$i '$characters[$i]' $classifications[$i] $breaks[$i]] " if $DEBUG; |
247
|
0
|
0
|
|
|
|
|
if ($breaks[$i] == REQUIRED) { |
248
|
0
|
0
|
|
|
|
|
print STDERR "required breakpoint\n" if $DEBUG; |
249
|
0
|
|
|
|
|
|
push(@breakpoints, $i+1); |
250
|
0
|
|
|
|
|
|
$last_start = $i+1; |
251
|
0
|
|
|
|
|
|
$pos = 0; |
252
|
0
|
|
|
|
|
|
next; |
253
|
|
|
|
|
|
|
} |
254
|
|
|
|
|
|
|
|
255
|
0
|
|
|
|
|
|
my $c = $pos + $lengths[$i]; |
256
|
|
|
|
|
|
|
|
257
|
0
|
0
|
|
|
|
|
if ($c > $self->{line_length}) { |
258
|
0
|
0
|
|
|
|
|
print STDERR "want to break " if $DEBUG; |
259
|
0
|
0
|
0
|
|
|
|
if (defined $last_break) { |
|
|
0
|
|
|
|
|
|
260
|
0
|
0
|
|
|
|
|
print STDERR "at $last_break\n" if $DEBUG; |
261
|
0
|
|
|
|
|
|
push(@breakpoints, $last_break + 1); |
262
|
0
|
|
|
|
|
|
$last_start = $last_break + 1; |
263
|
0
|
|
|
|
|
|
undef $last_break; |
264
|
0
|
|
|
|
|
|
$pos -= $last_length - 1; |
265
|
0
|
0
|
|
|
|
|
print STDERR "[pos now $pos]\n" if $DEBUG; |
266
|
0
|
|
|
|
|
|
next; |
267
|
|
|
|
|
|
|
} elsif (defined $self->{emergency_break} && $c > $self->{emergency_break}) { |
268
|
0
|
0
|
|
|
|
|
print STDERR "NOW\n" if $DEBUG; |
269
|
0
|
|
|
|
|
|
push(@breakpoints, $i+1); |
270
|
0
|
|
|
|
|
|
$pos = 0; |
271
|
|
|
|
|
|
|
} else { |
272
|
0
|
0
|
|
|
|
|
print STDERR "but can't" if $DEBUG; |
273
|
|
|
|
|
|
|
} |
274
|
|
|
|
|
|
|
} |
275
|
0
|
0
|
|
|
|
|
print STDERR "\n" if $DEBUG; |
276
|
|
|
|
|
|
|
|
277
|
0
|
0
|
|
|
|
|
$last_break = $i if $breaks[$i]; |
278
|
0
|
0
|
|
|
|
|
$last_length = $pos if $breaks[$i]; |
279
|
|
|
|
|
|
|
|
280
|
0
|
|
|
|
|
|
$pos += $lengths[$i]; |
281
|
|
|
|
|
|
|
} |
282
|
|
|
|
|
|
|
|
283
|
0
|
0
|
|
|
|
|
push(@breakpoints, $#lengths) if $breakpoints[$#breakpoints] < $#lengths; |
284
|
|
|
|
|
|
|
|
285
|
0
|
0
|
|
|
|
|
print STDERR "find_breaks: returning breakpoints " . join(":", @breakpoints) . "\n" if $DEBUG; |
286
|
|
|
|
|
|
|
|
287
|
0
|
|
|
|
|
|
return @breakpoints; |
288
|
|
|
|
|
|
|
} |
289
|
|
|
|
|
|
|
|
290
|
|
|
|
|
|
|
# Returns a list of lines, broken up with find_breaks |
291
|
|
|
|
|
|
|
sub break_lines { |
292
|
0
|
0
|
|
0
|
0
|
|
my $self = ref($_[0]) ? shift() : self(); |
293
|
0
|
|
|
|
|
|
my $text = shift; |
294
|
|
|
|
|
|
|
|
295
|
0
|
|
|
|
|
|
my @breaks = $self->find_breaks($text); |
296
|
0
|
|
|
|
|
|
my @lines; |
297
|
|
|
|
|
|
|
|
298
|
0
|
|
|
|
|
|
my $last = 0; |
299
|
0
|
|
|
|
|
|
foreach (@breaks) { |
300
|
0
|
|
|
|
|
|
push(@lines, substr($text, $last, $_-$last)); |
301
|
0
|
|
|
|
|
|
$last = $_; |
302
|
|
|
|
|
|
|
} |
303
|
|
|
|
|
|
|
|
304
|
0
|
|
|
|
|
|
return @lines; |
305
|
|
|
|
|
|
|
} |
306
|
|
|
|
|
|
|
|
307
|
|
|
|
|
|
|
1; |
308
|
|
|
|
|
|
|
|
309
|
|
|
|
|
|
|
__END__ |